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one sec ill post a pic of the thingy :)

Mathematics
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here it is :)
1 Attachment
The dartboard or the discounts?
Dart board that ones next ;)

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Other answers:

Ok, a probability question. You have 4 darts and 3 possible values. It's a combination since the order of the darts doesn't matter.
so the values are 1,5,9 5,9,1 and 9,1,5?
Ah, sorry, it's a permutation.
oh ok
The formula for a permutation is n! over (n-r)!
n is 4, r is 3
so 1
Do you know factorial notation?
nope :/
Factorial is multiplying a number, then multiplying by one less, and it continues down to 1. So 4! is 4*3*2*1, and 1! is 1. 4*3*2*1 also happens to be your answer.
what does the * mean?
Multiply
so 24?
That's it.
thanks buddy :)
While it's open, might as well solve the other one too.
oh yeah thanks :)
Imagine you start at 100 dollars. What's 10 percent off of that?
10...
So 100-10 is 90. What is 20 percent of 90?
18?
Yep. 90-18 is 72. So 100-72 is your total discount.
Or 28%, to be exact.
oh ok thanks

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